<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>学生成绩管理系统 - 登录</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <!-- 背景装饰元素 -->
    <div class="decoration decoration-yellow"></div>
    <div class="decoration decoration-red"></div>
    <div class="decoration decoration-green"></div>

    <div class="container">
        <h1>学生成绩管理系统</h1>
        <form id="loginForm">
            <div class="form-group">
                <label for="phone">手机号</label>
                <input type="tel" id="phone" name="phone" required placeholder="请输入手机号">
            </div>
            <div class="form-group">
                <label for="password">密码</label>
                <input type="password" id="password" name="password" required placeholder="请输入密码">
            </div>
            <div class="form-group">
                <label for="class">班级</label>
                <input type="text" id="class" name="class" placeholder="请输入班级(可选)">
            </div>
            <button type="submit" class="btn">登录</button>
        </form>
    </div>

    <script src="index.js"></script>
</body>
</html>